The scene consists of 2 sets of furniture in different colors.
Total in scene:

Polys: 71,852 (in fbx file 564,268, without antialiasing 68,028)
Verts: 36,764 (in fbx file 564,384, without antialiasing 36,764)

Materials in max. file: CoronaPhysicalMtl
Materials in fbx file: CoronaLegacyMtl

In the max file, the Turbosmoth modifier is partially applied to objects (2 render iterations).
In the fbx file, the OpenSubdiv modifier is partially applied to objects (2 iterations).

You can apply the smoothing modifier to absolutely all elements.

ICONICO Pedestal
https://kerama-marazzi.com/catalog/bathroom-furniture/ic_100_1_blk/ 

ICONICO Monte Tiberio countertop 100 cm, matte white, without a hole for a mixer (for flush-mounted (built-in) installation)
https://kerama-marazzi.com/catalog/bathroom-furniture/co3_sg50008220r_100/ 

ICONICO Monte Tiberio countertop 100 cm, matt white, without hole for mixer (for surface mounting)
https://kerama-marazzi.com/catalog/bathroom-furniture/co5_sg50008220r_100/ 

CONO wall-mounted washbasin 44, glossy white
https://kerama-marazzi.com/catalog/sinks/co_wb_44/ 

CONO washbasin built-in from above 44, white glossy
https://kerama-marazzi.com/catalog/sinks/co_wbi_44/ 

ETERNA wall-mounted basin mixer, without pop-up valve, stainless steel
https://kerama-marazzi.com/catalog/basin-faucets/69628exkm_50_050/ 

Version CoronaRenderer 10.
In CoronaRenderer 6 and below, CoronaLegacyMtl is CoronaMtl.
CoronaLegacyMtl requires Corona Renderer version 1.5 or higher, as it takes PBR into account.